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1. GB1144352 - Improvements in or relating to bulb holders

Office
United Kingdom
Application Number 4649865
Application Date 03.11.1965
Publication Number 1144352
Publication Date 05.03.1969
Publication Kind A
IPC
H01R 33/22
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
33Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
05Two-pole devices
22for screw type base, e.g. for lamp
CPC
H01R 33/22
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
33Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
05Two-pole devices
22for screw type base, e.g. for lamp
Applicants PIFCO LTD
Inventors WEBBER ALFRED DISRAELI
Priority Data 4649865 03.11.1965 GB
Title
(EN) Improvements in or relating to bulb holders
Abstract
(EN)
1,144,352. Lampholders. PIFCO Ltd. 16 Sept., 1966 [3 Nov., 1965], No. 46498/65. Heading H2E. A bulbholder comprises a threaded electrically conductive casing 1 forming the outer contact for the bulb, a centre contact 4 electrically insulated from the casing by an insulating washer 7, a compression spring 9 between the washer and the base of the casing, and an insulated lead 6 passing through a hole 8 in the base of the casing through the spring and through the insulating washer to the centre contact. The centre contact may comprise a blob of solder or a brass disc. A second insulating washer may be disposed between the spring and the base of the casing. A casing with a hole to accommodate the lead wires may be provided.